<template>
  <view class="cart-container" v-if="cart.length!==0">
    <my-address></my-address>
    <view class="cart-title">
     <uni-icons type="shop" size="18"></uni-icons>
      <text class="cart-title-text">购物车</text>
    </view>
    <uni-swipe-action>
    <block v-for="(item, i) in cart" :key="i">
       <uni-swipe-action-item :right-options="options"  @click="swipeActionClickHandler(item)">
       <!-- 为 my-goods 组件动态绑定 goods 属性的值 -->
       <my-goods   @num-change='numChangeHandler' @radio-change='radioChangeHandler' :showNum='true' :showRadio='true'  :goods="item"></my-goods>
           </uni-swipe-action-item>
     </block>
    </uni-swipe-action>
    
    <my-settle></my-settle>
  </view>
  
  <view class="empty-cart" v-else>
    <image  class="empty-img" src="/static/cart_empty@2x.png"></image>
    <text>空空如也~~~</text>
  </view>
</template>

<script>
 import badgeMix from "@/mixins/tabbar-badge.js"
import {mapState,mapMutations} from 'vuex'
  export default {
    mixins:[badgeMix],
    computed:{
      ...mapState('m_cart',['cart'])
    },
    data() {
      return {
        options: [{
              text: '删除', // 显示的文本内容
              style: {
                backgroundColor: '#C00000' // 按钮的背景颜色
              }
            }]
      };
    },
      
    methods:{
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
      radioChangeHandler(e){
      
        // 需要改变store里面的状态 。
        this.updateGoodsState(e)
      },
      numChangeHandler(e){
          // console.log(e);
          this.updateGoodsCount(e)
      },
      // 点击了滑动操作按钮
      swipeActionClickHandler(goods) {
        console.log(goods)
        this.removeGoodsById(goods.goods_id)
      }
    }
   
  }
</script>

<style lang="scss">
  .cart-container{
    padding-bottom: 50px;
  }
.cart-title{
  height: 40px;
  display: flex;
  align-items: center;
  padding-left: 5px;
border-bottom: 1px solid #efefef;
  
  .cart-title-text{
    font-size: 14px;
    margin-left: 10px;
    
  }
}
.empty-cart{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  .empty-img{
    margin-top: 200px;
    width: 100px;
    height: 100px;
  }
}

</style>
